Washington Building Permits

Mandatory state code; local City/County enforcement.

How Building Permits Work in Washington

The state provides a mandatory code through the State Building Code Council but stays out of the administrative permitting process. Washington law delegates the responsibility for plan review, permit issuance, and inspections entirely to local city and county governments.

Model: State-Mandated

264 jurisdictions with permitting contact information.

Counties (39)

Cities (225)

Other Jurisdictions (414)

These places either do not issue building permits directly, or we have no permit office on record for them. Enter your project address to find the correct permitting authority.